How to detect when a user leaves a web page using javascript

Question

The onunload JavaScript event doesn't work every time (the HTTP request takes longer than the time required to terminate the browser).

Creating one will probably be blocked by current browsers.so what is the best way to detect if a user leaves a web page?

Answer 1

Hello @kartik,

Try the onbeforeunload event: It is fired just before the page is unloaded. It also allows you to ask back if the user really wants to leave.

Alternatively, you can send out an Ajax request when he leaves.

Hope it helps!!

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Thank you!!